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EXTREME MATH CHALLENGE!!!
100

1+1

 2

100

5 x 5

25

100

10000 x 10

100000

100

14123 x 12

169476

100

4500000000 x 19390

Mental math

8.7255e+13

200

28 + 21

49


200

3 x 3

9

200

8474 + 9438

17912

200

1621 x 612

992052

200

45534 x 103332

Mental math

4705119288

300

56 + 10

66

300

5 + 5 + 5 + 5 + 5

25

300

4500000 + 130000

46300000

300

17000 + 900000

90017000

300

4560 x 20

Mental math

91200


400

9 + 3

12

400

70 + 70

140

400

5000 x 1000

5000000

400

9000 x 500000

4500000000

400

5430 x 10

Mental math

54300

500

60 + 120

180

500

3 x 365

1095

500

281 - 343

-62

500

4500 x 34000

153000000

500

50000000000000000000000000000 x 100000000000000000000000000000000000000000000000000

Mental math

5e+78

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